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Effective macroion-macroion potentials in asymmetric electrolytes

Lobaskin, V ; Lyubartsev, A ; Linse, P

Physical review. E, Statistical, nonlinear, and soft matter physics, February 2001, Vol.63(2 Pt 1), pp.020401 [Periódico revisado por pares]

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  • Título:
    Effective macroion-macroion potentials in asymmetric electrolytes
  • Autor: Lobaskin, V ; Lyubartsev, A ; Linse, P
  • Assuntos: Ions ; Electrolytes -- Chemistry
  • É parte de: Physical review. E, Statistical, nonlinear, and soft matter physics, February 2001, Vol.63(2 Pt 1), pp.020401
  • Descrição: Effective macroion-macroion potentials in solutions of macroions carrying 60 elementary charges and either monovalent or divalent counterions have been calculated at different concentrations by means of Monte Carlo simulations with a consequent inversion of radial distribution functions according to Lyubartsev and Laaksonen [Phys. Rev. E 52, 3730 (1995)]. With monovalent counterions, the effective potentials are essentially of a Yukawa type, whereas with divalent ones, an attractive region appears at short separation. A charge renormalization scheme invoking the cell model and the assumption of a Yukawa-type potential works favorably only in the case of monovalent counterions.
  • Idioma: Inglês

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